Utilize cascading errors instead of bools

src/config/mod.rs

@@ -98,15 +98,15 @@ impl Config {
     }
 
     pub(crate) fn check_feeds(&mut self, post_history: &mut Vec<PrevPost>
-    , community_ids: &CommunitiesVector, auth: &Sensitive<String>) -> Result<Vec<CreatePost>, ()> {
+    , community_ids: &CommunitiesVector, auth: &Sensitive<String>) -> Result<Vec<CreatePost>, reqwest::Error> {
         let mut post_queue: Vec<CreatePost> = vec![];
 
-        self.feeds.iter().for_each(|feed| {
+        match self.feeds.iter().map(|feed| {
             let res = match CLIENT
                 .get(feed.feed_url.clone())
                 .send() {
                     Ok(data) => data.text().unwrap(),
-                    Err(_) => return ()
+                    Err(e) => return Err(e)
                 };
 
             let data: FeedData = serde_json::from_str(&res).unwrap();
@@ -152,7 +152,11 @@ impl Config {
                 }
             }
             sleep(time::Duration::from_millis(100)); // Should prevent dos-ing J-Novel servers
-        });
+            return Ok(());
+        }).collect() {
+            Ok(()) => {}
+            Err(e) => return Err(e)
+        }
 
         PrevPost::save(&post_history);
         return Ok(post_queue);
@@ -270,7 +274,7 @@ impl CommunitiesVector {
     }
 
     #[warn(unused_results)]
-    pub(crate) fn load(&mut self, auth: &Sensitive<String>, base: &String) -> bool {
+    pub(crate) fn load(&mut self, auth: &Sensitive<String>, base: &String) -> Result<(), reqwest::Error> {
         let params = ListCommunities {
             auth: Some(auth.clone()),
             type_: Some(ListingType::Local),
@@ -281,10 +285,8 @@ impl CommunitiesVector {
             .get(base.clone() + "/api/v3/community/list")
             .query(&params)
             .send() {
-                Ok(data) => {
-                    data.text().unwrap()
-                }
-                Err(_) => {return false}
+                Ok(data) => data.text().unwrap(),
+                Err(e) => return Err(e)
             };
 
         let site_data: ListCommunitiesResponse = serde_json::from_str(&res).unwrap();
@@ -297,7 +299,7 @@ impl CommunitiesVector {
         });
 
         self.ids = ids;
-        return true;
+        return Ok(());
     }
 
     pub(crate) fn find(&self, name: &LemmyCommunities) -> CommunityId {